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 August 13th, 2018, 01:01 PM #1 Member   Joined: Aug 2018 From: Warrington Posts: 50 Thanks: 1 Working out perimeter Another tent has the perimeter of 7.2 metres. If the width is 1.3 metres, what is the length?
 August 13th, 2018, 01:02 PM #2 Member   Joined: Aug 2018 From: Warrington Posts: 50 Thanks: 1 I have tried to work this out by subtracting 7.2 m from 1.3 m = 5.9 m. This is the correct answer?
 August 13th, 2018, 01:53 PM #3 Math Team   Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 13,954 Thanks: 987 NO. Assume tent's base is a rectangle, and try again...
August 13th, 2018, 02:15 PM   #4
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Joined: Aug 2018
From: Warrington

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Quote:
 Originally Posted by Denis NO. Assume tent's base is a rectangle, and try again...
Would I multiply the width 1.3 m by 2 as its too sides to the width = 2.6m then minus that from 7.2 m.

 August 13th, 2018, 03:52 PM #5 Math Team   Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 13,954 Thanks: 987 Yes.
 August 14th, 2018, 01:23 AM #6 Global Moderator   Joined: Dec 2006 Posts: 20,274 Thanks: 1959 Finally, divide by two. It's simpler to start by dividing 7.2 m by 2, and then subtract 1.3 m from the result of that division.

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